Repairing Guides

how to repair subwoofer

by Vilma Mills Published 3 years ago Updated 2 years ago
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[Solution] How to Fix a Subwoofer

  1. Check connections and speaker wires . Starting from the subwoofer , check all the wires and connection points running to amplifiers, receivers, or ...
  2. Check outlets, power cable, and fuse. Most subwoofers have a "standby" LED that glows to indicate active power. If it's not lit, check that the ...
  3. Check system and menu settings. If all the wires and cables look good, revisit the menu settings on your receiver or amplifier—you never know if ...
  4. Verify connections, turn on the subwoofer, and set the volume. After all connections and settings have been verified, turn on the subwoofer. Check ...

Part of a video titled HOW TO REPAIR A SUBWOOFER (EASY) - YouTube
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Better here you don't have to sit there for five minutes heating it up if this needs to get more youMoreBetter here you don't have to sit there for five minutes heating it up if this needs to get more you can use your flat-head screwdriver to remove the top of the cone of the subwoofer.

Full Answer

How to rebuild a subwoofer?

  • a screw-driver
  • a soldering iron
  • an air compressor
  • and a multimeter (or tester)

How do you fix a blown subwoofer?

Yes, there are ways to fix a blown subwoofer, but it is not something to be taken lightly. You’ll need to detach and separate parts of the subwoofer, which requires precision and skill. The act of fixing the area of the subwoofer that has been damaged is also very challenging.

How much should you pay to install a subwoofer?

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How to fix a blown subwoofer like a pro?

Steps to fix a blown subwoofer: A complete guide

  • Step-1: Check the voice coil. Before you get started, check each and every part of the subwoofer really carefully. ...
  • Step-2: Check the speaker cone. ...
  • Step-3: Detach the speakers. ...
  • Step-4: Separate the voice coil and speaker cone. ...
  • Step-5: Fix the voice coil: It’s fixing time! ...
  • Step-6: Fix the speaker frame. ...
  • Step-7: Reassemble and fix other components. ...

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Is it worth repairing a subwoofer?

A: The short answer to your question is no, the repair is likely not worth it. The price/performance ratio of subwoofers has improved considerably in the last decade, so finding a subwoofer that matches or beats the AS 20's specifications—8" driver, 60 watts RMS, 33 Hz to 140 Hz frequency response—is not too tough.

How do you fix a subwoofer that stopped working?

If your sub stopped working in your car, the solution is sometimes just four simple steps....Solutions for Fixing Your Not Working Car SubwooferCheck the Speaker Wires. ... Check the Fuse and Outlets. ... Check the System and Its Settings. ... Reset the Volume and Switch on the Sub.

How do you know if a subwoofer is blown?

Test the sound at a low volume to listen for whether your sub has been blown. If it is distorted, you have a partially blown subwoofer, and if there is no sound at all, it is completely blown. If the subwoofer is receiving its signal via a cable, then check the cable before rushing to conclusions.

What causes subs to stop working?

Short Circuit The most common cause of speaker failure is short-circuiting. A short circuit in the wires providing the signal will prevent the signal from ever reaching the subwoofer. A short circuit at the terminals on the subwoofer will also prevent electrical current and signal from reaching the subwoofer.

Can a blown subwoofer be repaired?

Can you fix a blown subwoofer? Yes, you can fix a blown subwoofer especially when it is partially blown sub damaged cone. However, a damaged voice coil will be difficult to replace. Depending on the extent of the problem, the best solution is to purchase a new subwoofer.

Why did my bass stop working?

The output jack connection (where you plug the lead into the bass) is notorious for coming loose. This could mean you hear nothing or you may occasionally hear something but it keeps cutting in and out. Whilst the cable is plugged in and the amp is on. Try moving the cable jack around inside the guitar.

What can damage a subwoofer?

Subwoofers are most commonly blown by supplying too much signal to the car audio amplifier. Too much signal results in a "clipping" which is when audio signals voltages reach amplifier's power supply voltages. The result is a "clipped" signal and this can damage the amplifier and subwoofer.

How do you test if a subwoofer is working?

0:462:49How To Test A Subwoofer To See If It Works A Quick Test - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd I can hear the vibrations. Right here so that is a quick test if you do not have your tunerMoreAnd I can hear the vibrations. Right here so that is a quick test if you do not have your tuner hooked up for your radio. Just plug in your cables. To the back of the subwoofer.

What does a damaged subwoofer sound like?

0:352:46Car Audio : How to Tell if a Car Subwoofer Is Blown - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd you want to notice if you hear any scratching noises or. If it won't move.MoreAnd you want to notice if you hear any scratching noises or. If it won't move.

How do you reset a subwoofer?

Press and hold the Power button while pressing the Input button and the VOL- button (at the same time). When RESET appears on the front panel display, release the buttons. Unplug the power cord for 30 seconds. Plug in the power cord and turn on the soundbar.

How To Repair A Subwoofer?

All you need is some tools and ingredients that almost everyone has lying around the house! Cut open your old subwoofer, and you’ll find several different parts: usually, an empty metal box, a broken piece of paper cone attached to a metal coil and some screws.

Repair A Subwoofer: Instructions

Measure the entire length of the paper cone that is attached to your broken subwoofer. Write this measurement down somewhere – it’s essential you stick to it when making a replacement cone!

Is It Worth Repairing A Subwoofer?

The short answer to this question is no. The repair is likely not worth it.

How Do I Ensure My Repairs Are As Substantial As Possible?

By making sure that the coil is fully attached to your subwoofer’s paper cone, that you remove all of the old glue from both parts before applying new glue and using a heavy object while they dry. You may also want to check out this guide for more information on how to repair speakers:

How Do I Stop A Subwoofer From Shaking?

If the unit is new, there may be something wrong with it. If that’s not the case, consider placing the subwoofer on top of a coaster or another piece of soft material to dampen the vibrations.

How Do I Fix A Subwoofer That Only Makes Buzzing Noises?

This can be caused by a loose wire connection or something rubbing against the cone (including excessive dust build-up). You may also want to clean out your unit with compressed air and check all of the connections are tightly in place:

How Do I Stop My Subwoofer From Making A Humming Noise?

Place it on top of something soft, like a coaster or another piece of material, and check all wire connections inside. You may also want to check out this guide for more information on how to deal with humming speakers:

How Does A Home Theatre Subwoofer Work?

Let’s determine whether we can fix your old subwoofer by familiarizing ourselves with some principals about how the subwoofer works and looking at the parts that make a subwoofer. Then we can go through a quick and dirty checklist, and grab some tools.

Helpful Subwoofer Fixing Tips – Getting Down To Business

You need to decide now if you are comfortable taking your subwoofer apart. Well not right now! Finish reading this article. Almost everything can be done by anyone with a little patience and help. The help is there for the asking, most Speaker manufactures have Technicians who are happy to help you with the unique troubleshooting for your Sub.

Step 2: Check Power Supply First

The subwoofer comes with a 1.5 amp DC power adapter.most of the case power adapter does not work. And obviously lack of power can not start my amplifier write? Let’s check the voltage output from the power adapter

Step 3: Check the Voltage With Multimeter

The power supply can not provide any significant voltage. To run the amplifier properly I need at least 12 v

Why Did Subwoofer Get Blown?

The reasons why subwoofer blow varies but can include factors such as too much volume or an amplifier clipping due to underpowering, or overpowering. Yes, underpowering can also result in damage to your subwoofer. It’s not uncommon to encounter a blown-up subwoofer. It can happen for many reasons, but thankfully does not render it obsolete!

Steps To Repair The Blown Subwoofers

First, a couple of checks should be done to diagnose why the speaker isn’t working.

Final Words

If your subwoofer is in a state of damage and needs repair, don’t throw it away or replace it with a new one. In most cases, you can fix the problem yourself by following the above mentioned steps to repair the damage.

What to do if your subwoofer doesn't turn on?

If the subwoofer still doesn't power on, try plugging it into a different outlet that you know works properly . As with the speaker wires, inspect the subwoofer's power cable for any damage or defects. Some subwoofers are equipped with a fuse, which may or may not require removal of a back plate.

What to do if your subwoofer is not lit?

If it's not lit, check that the subwoofer is securely plugged into a wall socket, surge protector, or power strip. If a plug's prongs slip out halfway—it's often enough to prevent the flow of power— gently bend them so the cable will stay connected after you let go.

How to check if subwoofer is working?

Check the volume level on the subwoofer and receiver or amplifier before sending any audio input. Start the volume low and gradually increase it to determine if the subwoofer is working correctly . Choose music test tracks that feature low-end bass content so there is no question one way or another.

How to make sure subwoofer doesn't receive signal?

If the input device offers speaker size settings, choose the smallest option first; sometimes setting the speaker size to something larger makes it so that the subwoofer doesn't receive a signal.

Where is the input on a subwoofer?

The inputs on the back of the subwoofer generally plug into the subwoofer output on the back of receivers or amplifiers. If the subwoofer connects to speaker outputs on the receiver or amplifier, inspect the entire length of wire connections for defects.

Do subwoofers need a fuse?

Some subwoofers are equipped with a fuse, which may or may not require removal of a back plate. If the fuse is a feature, and if you're comfortable tinkering with electronics, check to see if it needs replacing. Otherwise, consult the manufacturer or local repair shop first. Check system and menu settings.

Introduction

I realized — a little too late — that a couple of retaining clips were rubbing against the top of the subwoofer/enclosure in my car. One clip was (thankfully) scratching the subwoofer enclosure carpet, but the other one had poked a hole on the subwoofer's rubber surround.

Step 1 Subwoofer Rubber Surround Repair

Assess the damage. Depending on the severity of the cut, you may need some other scaffolding material (aside from RTV silicone) to enclose the hole.

Step 2

Unscrew the eight #2 Phillips screws using either a screwdriver or cordless driver.

Step 3

Use a flat pry tool (such as a flat-blade screwdriver) to prop up an edge of the subwoofer.

Step 4

Use a clean, lint-free cloth to wipe away any dirt/grease/grime that would otherwise tarnish the bond between the rubber and RTV silicone.

Step 5

Time to get dirty. Put on your favorite brand of nitrile or latex gloves.

Step 6

Cut the end off a cotton swab in order to transform it into an RTV applicator.

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